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Heliotrope
Heliotrope

Sellaite
Sellaite



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Heliotrope
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Sellaite

Heliotrope and Sellaite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.61
-
None
6.5-7
SiO2
 
Brittle
-
-
3.14-3.16
Conchoidal
Perfect on {010} and {110}
5-5.5
MgF 2Ulrich Henn and Claudio C.

Heliotrope and Sellaite Chemical Formula

While comparing Heliotrope and Sellaite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Heliotrope and Sellaite chemical formula.

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Heliotrope and Sellaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Heliotrope and Sellaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Heliotrope Vs Sellaite during the identification of gemstone. Specific gravity of Heliotrope is whereas that of Sellaite is .